From 57e5c814e91577a464484cc4b1a56ff86371a713 Mon Sep 17 00:00:00 2001
From: Palmer Dabbelt <palmer@rivosinc.com>
Date: Mon, 22 Jul 2024 08:45:20 -0700
Subject: [PATCH] cache: StarFive: Require a 64-bit system
This has a bunch of {read,write}q() calls, so it won't work on 32-bit
systems. I don't think there's any 32-bit StarFive systems, so for now
just require 64-bit.
Fixes: cabff60ca77d ("cache: Add StarFive StarLink cache management")
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Link: https://lore.kernel.org/r/20240722154519.25375-2-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/cache/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig
index 94abd8f632a7b..db51386c663a6 100644
--- a/drivers/cache/Kconfig
+++ b/drivers/cache/Kconfig
@@ -18,6 +18,7 @@ config STARFIVE_STARLINK_CACHE
bool "StarFive StarLink Cache controller"
depends on RISCV
depends on ARCH_STARFIVE
+ depends on 64BIT
select RISCV_DMA_NONCOHERENT
select RISCV_NONSTANDARD_CACHE_OPS
help
--
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